TORONTO, April 28 /CNW/ - Rockcliff Resources Inc. (TSXV: RCR) is pleased to announce that drilling on its 100% owned Lon Deposit west
of Snow Lake, Manitoba, continues to intersect significant VMS
(copper-zinc rich) mineralization. The deposit remains open in all
directions. Additional drilling will be required to determine the
extent of mineralization of the deposit.

Significant assay results and the corresponding breakdown from drill
holes L11-06 to L11-10 are tabulated below along with drill hole
information. The lengths reported are drill intersected core lengths
and do not represent true widths.

Borehole

From
(m)

To
(m)

Length
(m)

Copper
%

Gold
g/t

Zinc
%

Silver
g/t

Grid N/E/Azimuth/Dip

L11-06

242.3

244.6

2.3

1.9

0.2

1.3

18.1

10+00N/480E/270/59

includes

242.6

244.6

2.0

2.1

0.3

1.5

20.5

L11-07

267.5

269.0

1.5

0.8

0.2

2.2

7.7

10+00N/480E/270/66

includes

268.2

269.0

0.8

1.1

0.3

3.1

11.7

L11-08

167.2

169

1.8

3.5

0.6

5.7

30.9

10+25N/525E/270/55

includes

167.8

169

1.2

5.3

0.9

8.7

46.5

L11-09

233.5

236.2

2.7

1.5

0.3

1.9

12.4

10+25N/495E/270/64

includes

233.5

234.9

1.4

2.4

0.5

3.1

18.8

L11-10

244.6

247.4

2.8

1.6

0.2

1.4

13.3

10+25N/495E/270/71

includes

245

246.3

1.3

2.9

0.3

2.8

23.7

Additional drill core samples (holes 11 to 15) have been sent to the lab
and will be reported on when received. Please refer to the March 23,
2011 news release for significant assay results on holes L11-01 to 05.

Winter drilling at Lon is now complete with fifteen drill holes
totalling over 5000m testing the Lon Zone across a strike length of
approximately 150m and to a vertical depth of 300m. Drilling has
targeted the Lon Zone mineralized trend where previous drilling (1950s)
discovered the Lon Deposit (non-compliant with NI 43-101).
Mineralization consisting of chalcopyrite, sphalerite, pyrite and
pyrrhotite is hosted in juvenile arc rocks. The favourable juvenile
arc rock package trends on the property for a distance of approximately
15 km. Juvenile arc rocks of the Flin Flon greenstone belt host all of
the known mines in the Flin Flon-Snow Lake mining camps and represent
high priority geological trends for the discovery of VMS deposits.

Additional exploration (gridding, geophysics) on the Lon Property
targeted the DC Zone located 8 km south of the Lon Deposit and along
the favourable juvenile arc rock trend that hosts the deposit. The DC
Zone is hosted within a strongly altered juvenile arc rock package and
is highlighted by a 6.12% zinc surface showing. It is also located
above an historical, untested, buried, 600m long geophysical
conductor. Rockcliff`s recently completed surface geophysics centered
on the DC Zone and identified a DPEM conductor corresponding to the DC
Zone surface mineralization. The DPEM conductor was interpreted to be
strengthening northward off the grid. Additional exploration work
after winter breakup will extend the DC grid and DPEM survey northward
to determine the optimal area for drill testing the conductor.

Ken Lapierre, P.Geo., President & CEO of Rockcliff Resources Inc. and
Mark Smethurst, P.Geo., M.Sc., VP Exploration of Rockcliff Resources
Inc., are Qualified Persons under the definition of National Instrument
43-101. Mr. Lapierre has reviewed and is responsible for all
information in this press release. Mr. Smethurst is responsible for
verification and quality assurance of Rockcliff's exploration data and
analytical results. Samples of half core are packaged and shipped
directly from Rockcliff's field office to TSL Laboratories (TSL),
Saskatoon, Saskatchewan. TSL is a Canadian assay laboratory and is
accredited under ISO/IEC 17025. Each bagged core sample is dried,
crushed to 70% passing 10 mesh and a 250g pulp is pulverized to 95%
passing 150 mesh for assaying. A 0.5g cut is taken from each pulp for
base metal analyses and leached in a multi acid (total) digestion and
then analyzed for copper, lead, zinc and silver by atomic absorption.
Gold concentrations are determined by fire assay using a 30g charge
followed by an atomic absorption finish. Samples greater than upper
detection limit (3000 ppb) are reanalyzed using fire assay gravimetric
using a 1 AT charge. Rockcliff inserted certified blanks and
standards in the sample stream to ensure lab integrity.

Rockcliff Resources Inc.
Rockcliff Resources Inc. is a Canadian resource exploration company
focused on discovery and advancement of its high-quality mineral assets
at its Snow Lake Project. Rockcliff presently controls the Snow Lake
Project totalling in excess of 500 km2 located within and proximal to the Snow Lake Mining Camp. The project
presently includes one NI 43-101 Indicated Resource (Rail), two former
VMS Mines (Spruce Point and Dickstone), one historic VMS deposit (Lon),
the Tower Deposit, one former gold mine (Century Mine) and one gold
deposit (C-Zone) as well as additional areas with potential for VMS
(copper-rich) and gold mineralization. Rockcliff also controls
precious metal properties in northern Ontario.

Forward-Looking Statement:

Some of the statements contained herein may be forward-looking
statements which involve known and unknown risks and uncertainties.
Without limitation, statements regarding potential mineralization and
resources, exploration results, and future plans and objectives of the
Company are forward looking statements that involve various risks. The
following are important factors that could cause the Company's actual
results to differ materially from those expressed or implied by such
forward looking statements: changes in the world wide price of mineral
commodities, general market conditions, risks inherent in mineral
exploration, risks associated with development, construction and mining
operations, the uncertainty of future profitability and the uncertainty
of access to additional capital. There can be no assurance that
forward-looking statements will prove to be accurate as actual results
and future events may differ materially from those anticipated in such
statements. Rockcliff undertakes no obligation to update such
forward-looking statements if circumstances or management's estimates
or opinions should change. The reader is cautioned not to place undue
reliance on such forward-looking statements.

Neither TSX Venture Exchange nor its Regulation Services Provider (as
that term is defined in the policies of the TSX Venture Exchange)
accepts responsibility for the adequacy or accuracy of this release.